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122006223 = 334518749
BaseRepresentation
bin1110100010110…
…10101011001111
322111120120002000
413101122223033
5222213144343
620035003343
73011015163
oct721325317
9274516060
10122006223
1162962099
1234a39553
131c37a141
14122bcca3
15aa9eed3
hex745aacf

122006223 has 8 divisors (see below), whose sum is σ = 180750000. Its totient is φ = 81337464.

The previous prime is 122006177. The next prime is 122006231. The reversal of 122006223 is 322600221.

It is not a de Polignac number, because 122006223 - 29 = 122005711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122006196 and 122006205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122006243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259348 + ... + 2259401.

It is an arithmetic number, because the mean of its divisors is an integer number (22593750).

Almost surely, 2122006223 is an apocalyptic number.

122006223 is a deficient number, since it is larger than the sum of its proper divisors (58743777).

122006223 is an equidigital number, since it uses as much as digits as its factorization.

122006223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4518758 (or 4518752 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 122006223 is about 11045.6427155689. The cubic root of 122006223 is about 495.9759990446.

Adding to 122006223 its reverse (322600221), we get a palindrome (444606444).

The spelling of 122006223 in words is "one hundred twenty-two million, six thousand, two hundred twenty-three".

Divisors: 1 3 9 27 4518749 13556247 40668741 122006223